Where: Brazil · South America · approx. -22.9, -43.18 (vicinity only)
Why this spot: 1770-1900
What turns up: Portuguese and Brazilian black glass, French imports, early Rio soda and pharmacy.
Access: Gray area.
Lei 3.924/1961 protects archaeological sites; 19th-century urban fill sits outside clear protection and construction-site salvage is the hobby norm. Gray. Valongo Wharf is UNESCO-listed and untouchable; the surrounding fill blocks are construction-salvage territory.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.